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Work-Zone Safety ITS Systems

A broad concept has been developed for a work-zone safety ITS system that would provide a distributed, queue-warning system that automatically adapts to the current traffic-flow situation in and upstream of the work zone. The core element of the system is a smart barrel–an ordinary looking traffic-control barrel containing an inexpensive speed sensor and equipped with a simple, adjustable signaling system and the necessary equipment for communication to a central controller.